Some cleanup fixes

src/factory.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 444 matching lines @@
   void ConfigureInstance(Handle<FunctionTemplateInfo> desc,
                          Handle<JSObject> instance,
                          bool* pending_exception);
 
 #define ROOT_ACCESSOR(type, name, camel_name)                                  \
   inline Handle<type> name() {                                                 \
     return Handle<type>(BitCast<type**>(                                       \
         &isolate()->heap()->roots_[Heap::k##camel_name##RootIndex]));          \
   }
   ROOT_LIST(ROOT_ACCESSOR)
-#undef ROOT_ACCESSOR_ACCESSOR
+#undef ROOT_ACCESSOR
+
+#define STRUCT_MAP_ACCESSOR(NAME, Name, name)                                  \
+  inline Handle<Map> name##_map() {                                            \
+    return Handle<Map>(BitCast<Map**>(                                         \
+        &isolate()->heap()->roots_[Heap::k##Name##MapRootIndex]));             \
+    }
+  STRUCT_LIST(STRUCT_MAP_ACCESSOR)
+#undef STRUCT_MAP_ACCESSOR
 
 #define STRING_ACCESSOR(name, str)                                             \
   inline Handle<String> name() {                                               \
     return Handle<String>(BitCast<String**>(                                   \
         &isolate()->heap()->roots_[Heap::k##name##RootIndex]));                \
   }
   INTERNALIZED_STRING_LIST(STRING_ACCESSOR)
 #undef STRING_ACCESSOR
 
   Handle<String> hidden_string() {
@@ skipping 182 matching lines @@
   }
 
  private:
   Isolate* isolate_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_